If we had to take a guess,Watch Sexy Urban Legends episode 9 season 1 (2001) Kesha probably had the most fun on Halloween this year. Who else do you know got a tattoo because of it?

The singer spent the night out with friends in a seemingly low-effort costume: a narwhal onesie.

SEE ALSO: Heidi Klum cloned herself for Halloween this year
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She must have had one hell of a night in that costume, though, because the singer decided to permanently commemorate the comfortable narwhal with some new ink.

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We shouldn't be surprised - this isn't the first time Kesha had a tattoo-worthy experience with aquatic life.

Remember when the singer met her whale shark spirit animal, they became instant best friends, and she had his likeness tattooed on her hand?

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She's got a theme going on.

Keep doing you, Kesha. We can't wait to see what sea creature comes next.

BONUS: Rate your Halloween party.

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